Решение шахматной задачи №64715
Мат в 4 хода |
1.e7-e8=S ! threat:
2.Qg5-g7 #
2.Qg5-h5 #
1...Ra8-a3 +
2.b2*a3 threat:
3.Qg5-g7 #
3.Qg5-h5 #
2...Rb8-b3 +
3.a2*b3 threat:
4.Qg5-g7 #
4.Qg5-h5 #
2...Rb8-b5
3.Qg5-g7 #
2...Rb8-b6
3.Qg5-g7 #
2...Rb8*e8
3.f7*e8=S threat:
4.Qg5-g7 #
3.d7*e8=S threat:
4.Qg5-g7 #
4.Qg5-h5 #
3.d7*e8=B zugzwang.
3...Kh7-h8
4.Qg5-h6 #
4.Qg5-g8 #
1...Ra8-a5
2.Qg5-g7 #
1...Ra8-a6
2.Qg5-g7 #
1...Rb8-b3 +
2.a2*b3 threat:
3.Qg5-g7 #
3.Qg5-h5 #
2...Ra8-a5
3.Qg5-g7 #
2...Ra8-a6
3.Qg5-g7 #
2...Ra8*e8
3.f7*e8=S threat:
4.Qg5-g7 #
3.d7*e8=S threat:
4.Qg5-g7 #
4.Qg5-h5 #
3.d7*e8=B zugzwang.
3...Kh7-h8
4.Qg5-h6 #
4.Qg5-g8 #
1...Rb8-b5
2.Qg5-g7 #
1...Rb8-b6
2.Qg5-g7 #
1...Rb8*e8
2.f7*e8=S threat:
3.Qg5-g7 #
2...Ra8-a3 +
3.b2*a3 threat:
4.Qg5-g7 #
2...Ra8*e8
3.d7*e8=S threat:
4.Qg5-g7 #
1.e7-e8=B ! threat:
2.Qg5-f5 +
2...Kh7-h6
3.f7-f8=Q #
3.f7-f8=B #
2...Kh7-h8
3.f7-f8=Q #
2...Kh7-g7
3.f7-f8=Q #
2.Qg5-g8 +
2...Kh7-h6
3.f7-f8=Q #
3.f7-f8=B #
1...Ra8-a3 +
2.b2*a3 threat:
3.Qg5-f5 +
3...Kh7-h6
4.f7-f8=Q #
4.f7-f8=B #
3...Kh7-h8
4.f7-f8=Q #
3...Kh7-g7
4.f7-f8=Q #
3.Qg5-g8 +
3...Kh7-h6
4.f7-f8=Q #
4.f7-f8=B #
2...Rb8-b3 +
3.a2*b3 zugzwang.
3...Kh7-h8
4.Qg5-h6 #
4.Qg5-g8 #
2...Rb8-b5
3.Qg5-g8 +
3...Kh7-h6
4.f7-f8=Q #
4.f7-f8=B #
2...Rb8-b6
3.Qg5-g8 +
3...Kh7-h6
4.f7-f8=Q #
4.f7-f8=B #
2...Rb8*e8
3.f7*e8=S threat:
4.Qg5-g7 #
3.d7*e8=S threat:
4.Qg5-g7 #
4.Qg5-h5 #
3.d7*e8=B zugzwang.
3...Kh7-h8
4.Qg5-h6 #
4.Qg5-g8 #
1...Ra8-a5
2.Qg5-g8 +
2...Kh7-h6
3.f7-f8=Q #
3.f7-f8=B #
1...Ra8-a6
2.Qg5-g8 +
2...Kh7-h6
3.f7-f8=Q #
3.f7-f8=B #
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